London: India's middle-distance runner Tintu Luka qualified for the semi-final of the women's 800 metres at the 2012 London Games here Wednesday.
Tintu, who is coached by P.T.Usha, finished third in the second heat with a timing of 2:01.75 seonds. It was below her personal best of 1:59.17 secs achieved two years back.
IANS